All IT users know the systems work well sometimes and they don’t work well other times. Systems function well only when they are properly configured, and IT professionals (usually) complete formal programs of study to learn the craft of configuring IT and pass professional exams to verify they know what they are doing. IT configuration Read More
During one week when I was managing IT for a small rural school, I encountered two examples of how educators do not understand the nature of enterprise systems. On Monday, a teacher brought me a sale paper for a local box store retailer (it was early in the holiday gift buying season). She told me she had $300 Read More
When making decisions about the type of computing devices to install in schools, school and technology leaders must define the capacity of the devcies necesary for their purpose. This post sumarizes the factors that affect capacity. Capacity is determined by several factors. In general, these factors dictate the rate at which a system can access, Read More
a post for students in my community college course A modern computer is an incredibly complex system consisting of processors, memory, hard disks, network interfaces, and a myriad of other input/output devices. If every application programmer had to understand the intricate details of how all these hardware components work, no software would ever get written. Read More
a post for studentsin my operating system course at a community college A modern computer is a highly complex system consisting of processors, memory, disks, network interfaces, and a wide variety of input/output devices. If every application programmer had to understand the intricate, idiosyncratic details of how all these hardware components work, no software would Read More